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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2022-08-06 18:42:37 -0400 |
|---|---|---|
| committer | Suren Baghdasaryan <surenb@google.com> | 2023-05-28 19:01:53 +0000 |
| commit | 79ded5acf1ac5f1b2aedd29443347a957a3186d8 (patch) | |
| tree | a76fb2e3ea7a63f6ea1392ca007a573bfd526e14 /lib/Kconfig | |
| parent | 8d1010ab9d712a00081e7cc4b52c48f595a19262 (diff) | |
Lazy percpu counterslazy_percpu_counters
This patch adds lib/lazy-percpu-counter.c, which implements counters
that start out as atomics, but lazily switch to percpu mode if the
update rate crosses some threshold (arbitrarily set at 256 per second).
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Diffstat (limited to 'lib/Kconfig')
| -rw-r--r-- | lib/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 5c2da561c516..7380292a8fcd 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -505,6 +505,9 @@ config ASSOCIATIVE_ARRAY for more information. +config LAZY_PERCPU_COUNTER + bool + config HAS_IOMEM bool depends on !NO_IOMEM |